Table 2.

Descriptive Statistics by Age Group for Total Raw Score, TIMP Score (logits) and TIMPSI Score (logits)

		Total Raw Score					TIMP Score (Logits)					TIMPSI Score (Logits)
Age Group	N	Mean	Std. Dev.	Min	Max	Range	Mean	Std. Dev.	Min	Max	Range	Mean	Std. Dev.	Min	Max	Range
PCA 34–35 wks*	86	48.9	15.1	15	89	74	−0.67	0.77	−2.84	1.07	3.91	−1.03	1.10	−4.21	0.92	5.13
PCA 36–37 wks	81	54.1	13.1	15	80	65	−0.39	0.64	−2.84	0.72	3.56	−0.46	0.78	−3.23	1.25	4.48
PCA 38–39 wks	85	60.2	14.2	31	107	76	−0.10	0.60	−1.59	1.85	3.44	−0.26	0.75	−2.31	1.90	4.21
PCA 40–41 wks	96	65.1	16.3	27	109	82	0.10	0.71	−1.85	1.95	3.80	0.08	0.77	−1.96	2.16	4.12
2–3 wks AA**	97	69.3	15.1	38	111	73	0.30	0.63	−1.18	2.05	3.23	0.25	0.68	−1.21	2.56	3.77
4–5 wks AA	83	80.0	15.4	43	112	69	0.75	0.61	−0.86	2.10	2.96	0.65	0.72	−1.65	2.16	3.81
6–7 wks AA	89	84.9	17.2	39	116	77	0.93	0.71	−1.12	2.32	3.44	0.92	0.77	−1.27	2.56	3.83
8–9 wks AA	84	93.1	17.5	42	123	81	1.30	0.76	−0.96	2.78	3.74	1.28	0.79	−1.37	3.34	4.71
10–11 wks AA	71	98.9	20.7	45	132	87	1.60	0.97	−0.80	3.63	4.43	1.48	0.88	−0.69	3.52	4.21
12–13 wks AA	70	107.8	18.6	46	137	91	2.05	0.97	−0.75	4.46	5.21	2.10	1.06	−1.27	4.55	5.82
14–15 wks AA	67	113.2	22.2	25	137	112	2.43	1.17	−1.99	4.46	6.45	2.46	1.26	−2.07	5.00	7.07
16–17 wks AA	81	119.6	15.7	52	139	87	2.82	1.06	−0.46	5.02	5.48	2.73	1.08	0.30	5.68	5.38

^*wks PCA = postconceptional age in weeks

^**wks AA = post term age in weeks, adjusted for prematurity